White knight noun phrase
One who helps someone escape safely from a difficult or dangerous situation such as death, harm, loss, etc.
If it hadn't been for your fighting off the rapists, they would have ruined my life. You are my white knight.
He has become her white knight since he saved her son from being hit by the truck.
A person or a business organisation that saves another organisation struggling financially or about to face hostile takeover bid by putting money in or buying it.
Let's hope a white knight comes and saves us from ínolvency.
Luckily, a white knight has poured millions into our business when our company is forced to file for bankruptcy.
This noun phrase was first record in 1890-95.
Be extremely sleepy